According to news circulating, the PlayStation Vita, 2013, will get an upgrade from the 6.3-inch screen with the PS Vita, but it still uses a resolution of 960 x 554 pixels.
PlayStation Vita is currently available has a 5-inch landscape display; its hardware specs will also get some improvement. RAM products will be increased from 512 MB to 1 GB. Still no word on the processor that will be used.
Sony also will overhaul the design of the device. It is said, the latest edition of the PS Vita will have a base design similar to the Playstation 4.
PS Vita is rumored to be introduced in September 2013, possibly at the Tokyo Games Show 2013.